040000 tree ddd99dcbc7e9f8259bc9312dea16bcf1e24419c9	cf_segments
040000 tree 43856503de509575df99f296989f3614e777c450	library_desugar
040000 tree 86ceb04dd0ca0abd96be3f3753d5caf131b7a71a	main
040000 tree 97167ed70927779781972ffd3911101844629217	test